Electronics Technology


CJC module for thermocouples

25 July 2007 Electronics Technology

Providing design engineers with a compact device capable of enhancing the accuracy of temperature measurement in power electronic applications, BI Technologies offers a cold junction compensation module for thermocouples. Designated the Model 143-131A, the CJC module features a hybrid SIP configuration to minimise board space. The module achieves accurate compensation by utilising laser-trimming and an environmentally stable, robust construction that includes a ceramic base and hybrid technology.

The CJC module is available in a standard three-terminal package and utilises an active semiconductor that enhances the accuracy of temperature measurements when used with standard thermocouples. The module is compatible with most data acquisition manufacturers' mounting boards and terminal blocks, and features an output voltage slope of -2,5 mV/°C and an accuracy of &plusmn.1,25°C within the operating temperature range of -40°C to +85°C.



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